Natural Glass Baby Bottle Wide Neck, Anti-Colic Baby Bottle, Clear, 5.4oz.

Made from high borosilicate glass, which is highly heat-resistant, durable, and thermal shock resistance .

Chemical Safety: The bottles are completely BPA-free, lead-free, and odor-free.

Anti-Colic Design: Equipped with a gentle silicone teat and venting system that mimics breastfeeding and reduces air intake to minimize gas and fussiness.